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3 i, Automatic
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On-Board Diagnostic [Engine Control System]
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DTC P0171: Fuel Trim System Too Lean
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Diagnostic procedure
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Diagnostic procedure
Fig 1: DTC P0171: Diagnostic Procedure Chart (Steps 1-6)
Courtesy of MAZDA MOTORS CORP.
Fig 2: DTC P0171: Diagnostic Procedure Chart (Steps 7-14)
Courtesy of MAZDA MOTORS CORP.
Fig 3: DTC P0171: Diagnostic Procedure Chart (Steps 15-18)
Courtesy of MAZDA MOTORS CORP.